Correct Answer:
C. Thatta
The Makli Hill Graveyard, also known as the Makli Necropolis, is correctly located near the city of Thatta in the Pakistani province of Sindh. This vast funerary site is one of the largest in the world, spanning approximately 10 square kilometers and housing hundreds of thousands of tombs and graves. It is a UNESCO World Heritage Site, renowned for its intricate architecture and historical significance, dating from the 14th to the 18th centuries.
- Hyderabad, Taxila, and Karachi are significant cities in Pakistan, but none of them are the location of the Makli Hill Graveyard.
This question tests geographical and historical knowledge of important cultural heritage sites.